michael@0: //
michael@0: // Copyright (c) 2002-2010 The ANGLE Project Authors. All rights reserved.
michael@0: // Use of this source code is governed by a BSD-style license that can be
michael@0: // found in the LICENSE file.
michael@0: //
michael@0: 
michael@0: // compiler_debug.h: Debugging utilities.
michael@0: 
michael@0: #ifndef COMPILER_DEBUG_H_
michael@0: #define COMPILER_DEBUG_H_
michael@0: 
michael@0: #include <assert.h>
michael@0: 
michael@0: #ifdef _DEBUG
michael@0: #define TRACE_ENABLED  // define to enable debug message tracing
michael@0: #endif  // _DEBUG
michael@0: 
michael@0: // Outputs text to the debug log
michael@0: #ifdef TRACE_ENABLED
michael@0: 
michael@0: #ifdef  __cplusplus
michael@0: extern "C" {
michael@0: #endif  // __cplusplus
michael@0: void Trace(const char* format, ...);
michael@0: #ifdef  __cplusplus
michael@0: }
michael@0: #endif  // __cplusplus
michael@0: 
michael@0: #else   // TRACE_ENABLED
michael@0: 
michael@0: #define Trace(...) ((void)0)
michael@0: 
michael@0: #endif  // TRACE_ENABLED
michael@0: 
michael@0: // A macro asserting a condition and outputting failures to the debug log
michael@0: #define ASSERT(expression) do { \
michael@0:     if(!(expression)) \
michael@0:         Trace("Assert failed: %s(%d): "#expression"\n", __FUNCTION__, __LINE__); \
michael@0:     assert(expression); \
michael@0: } while(0)
michael@0: 
michael@0: #define UNIMPLEMENTED() do { \
michael@0:     Trace("Unimplemented invoked: %s(%d)\n", __FUNCTION__, __LINE__); \
michael@0:     assert(false); \
michael@0: } while(0)
michael@0: 
michael@0: #define UNREACHABLE() do { \
michael@0:     Trace("Unreachable reached: %s(%d)\n", __FUNCTION__, __LINE__); \
michael@0:     assert(false); \
michael@0: } while(0)
michael@0: 
michael@0: #endif   // COMPILER_DEBUG_H_
michael@0: